Are the pillars in the Connaught's lobby naturally dark blue, or is that perhaps some sort of coating or covering upon them?
I only ask because I have seen old postcards which showed the pillars in a cream/pink marble. Obviously, however, coloured postcards of that era were not the most faithful depictions and often took serious liberties with their subject matter.
As for instance, these postcards from hamiltonpostcards.com:
